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Research on Commutation and Coordination Control Strategy of Excitation Power Supply Based on Bidirectional Reduced Matrix Converter for Ion Accelerator

Author

Listed:
  • Weizhang Song

    (School of Automation and Information Engineering, Xi’an University of Technology, Xi’an 710048, Shaanxi, China
    Institute of Modern Physics Chinese Academy of Sciences, Lanzhou 730000, China)

  • Jiang Liu

    (School of Automation and Information Engineering, Xi’an University of Technology, Xi’an 710048, Shaanxi, China)

  • Xiangdong Sun

    (School of Automation and Information Engineering, Xi’an University of Technology, Xi’an 710048, Shaanxi, China)

  • Fenjun Wu

    (Institute of Modern Physics Chinese Academy of Sciences, Lanzhou 730000, China)

  • Daqing Gao

    (Institute of Modern Physics Chinese Academy of Sciences, Lanzhou 730000, China)

  • Youyun Wang

    (State Key Laboratory of Large Electric Drive System and Equipment Technology, Tianshui, Gansu 741020, China)

Abstract

The contribution of this paper is putting forward a kind of ion accelerator magnet excitation power supply with bidirectional reduced matrix converter (BRMC) as well as a coordination control strategy with bipolar current space vector modulation strategy, which is utilized to realize bidirectional power flow for a BRMC system to solve problems such as low input power factor, large input current harmonics and no bidirectional energy in the conventional ion accelerator magnet excitation power supply. Meanwhile, a hybrid commutation strategy combining the simplified three-step commutation with zero vector commutation was proposed to solve the commutation problem for a matrix-type first stage in BRMC. The feasibility and effectiveness of the proposed strategy, which can achieve bidirectional energy flow and safer commutation, have been verified by the experimental results.

Suggested Citation

  • Weizhang Song & Jiang Liu & Xiangdong Sun & Fenjun Wu & Daqing Gao & Youyun Wang, 2018. "Research on Commutation and Coordination Control Strategy of Excitation Power Supply Based on Bidirectional Reduced Matrix Converter for Ion Accelerator," Energies, MDPI, vol. 11(12), pages 1-21, December.
    • Handle: RePEc:gam:jeners:v:11:y:2018:i:12:p:3396-:d:187799
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    References listed on IDEAS

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    1. Tingna Shi & Lingling Wu & Yan Yan & Changliang Xia, 2018. "Harmonic Spectrum of Output Voltage for Space Vector Pulse Width Modulated Ultra Sparse Matrix Converter," Energies, MDPI, vol. 11(2), pages 1-13, February.
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    Cited by:

    1. Shuang Feng & Chaofan Wei & Jiaxing Lei, 2019. "Reduction of Prediction Errors for the Matrix Converter with an Improved Model Predictive Control," Energies, MDPI, vol. 12(15), pages 1-20, August.
    2. Jiaxing Lei & Chaofan Wei & Shuang Feng, 2019. "Input Disturbance Suppression for Unidirectional Matrix Converter with a Stability-Enhancing Modulation Scheme," Energies, MDPI, vol. 12(13), pages 1-13, July.

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